Top cover of a load lock chamber



FIG. 1 is a perspective view of a first embodiment of the top cover of aload lock chamber;

FIG. 2 is a front view of the first embodiment;

FIG. 3 is a rear view of the first embodiment;

FIG. 4 is a right side view of the first embodiment;

FIG. 5 is a left side view of the first embodiment;

FIG. 6 is a top view of the first embodiment;

FIG. 7 is a bottom view of the first embodiment;

FIG. 8 is a sectional view of the first embodiment taken along lineVIII-VIII of FIG. 2;

FIG. 9 is a perspective view of a second embodiment of the top cover ofa load lock chamber;

FIG. 10 is a front view of the second embodiment;

FIG. 11 is a rear view of the second embodiment;

FIG. 12 is a right side view of the second embodiment;

FIG. 13 is a left side view of the second embodiment;

FIG. 14 is a top view of the second embodiment;

FIG. 15 is a bottom view of the second embodiment; and,

FIG. 16 is a sectional view of the second embodiment taken along lineXVI-XVI of FIG. 10.

CLAIM The ornamental design for a top cover for a load lock chamber, asshown and described.